package com.iwe.crm.base.filter;

import com.iwe.crm.user.bean.User;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginFilter implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request,
                             HttpServletResponse response, Object handler) throws Exception {
       User user = (User) request.getSession().getAttribute("user");
       if(user == null){
           //重定向到登录页面
           response.sendRedirect("/crm/toLogin");
       }
       return true;
    }
}
